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沼氣發(fā)電機組控制系統(tǒng)故障常見問題解決!

來源:http://m.dgtmcnc.com/ 文章作者:濟柴環(huán)能 發(fā)布時間:2023-12-25

為排除沼氣發(fā)電機組本身存在故障,技術(shù)人員對沼氣發(fā)電機組進行空載測試和模擬測試。

To eliminate faults in the biogas generator unit itself, technicians conducted no-load and simulation tests on the biogas generator unit.

(1)在市電電源正常的情況下,技術(shù)人員斷開沼氣發(fā)電機組電源輸出斷路器,用手動方式啟動沼氣發(fā)電機組進行空載試機,機組運行 10 分鐘,檢查發(fā)動機和發(fā)電機參數(shù)均正常。

(1) Under normal mains power supply, technicians disconnect the power output circuit breaker of the biogas generator set and manually start the biogas generator set for no-load testing. The unit runs for 10 minutes and checks that the engine and generator parameters are normal.

(2)利用沼氣發(fā)電機組自帶的模擬測試功能,模擬市電停電后的自啟動運行。技術(shù)人員按下沼氣發(fā)電機組模擬測試鍵,沼氣發(fā)電機組自行啟動,機組運行 10分鐘,檢查發(fā)動機和發(fā)電機參數(shù)均正常。

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(2) Utilize the built-in simulation testing function of the biogas generator set to simulate the self starting operation after a power outage. The technical personnel pressed the biogas generator set simulation test button, and the biogas generator set started on its own. The set ran for 10 minutes, and the engine and generator parameters were checked to be normal.

通過以上測試基本排除沼氣發(fā)電機組自身原因引起的故障,下面對沼氣發(fā)電機組啟動信號來源進行分析。

Through the above tests, the faults caused by the biogas generator unit itself have been basically ruled out. Below, the starting signal source of the biogas generator unit will be analyzed.

沼氣發(fā)電機組啟動信號來源分析

Analysis of start-up signal sources for biogas generator units

(1)查看雷達站低壓二次系統(tǒng)圖中沼氣發(fā)電機組啟動信號,當 401# 和 402# 開關同時因失電或故障斷開時,147與149常閉觸點、247與249常閉觸點同時導通向沼氣發(fā)電機組發(fā)送啟動信號。兩個觸點信號同時接入沼氣發(fā)電機組控制器內(nèi),進行邏輯和運算,沼氣發(fā)電機組啟動。(147 與 149 常閉觸點為 401# 斷路器的輔助觸點,工作狀態(tài)與401# 開關相反,247 與 249 常閉觸點為 402#斷路器的輔助觸點,工作狀態(tài)與 402# 開關相反)

(1) Check the start-up signal of the biogas generator set in the low-voltage secondary system diagram of the radar station (as shown in the figure). When the 401 # and 402 # switches are simultaneously disconnected due to power loss or fault, the normally closed contacts 147 and 149, as well as the normally closed contacts 247 and 249, are simultaneously connected to the biogas generator set to send the start-up signal. Two contact signals are simultaneously connected to the controller of the biogas generator set for logic and operation, and the biogas generator set is started. (147 and 149 normally closed contacts are auxiliary contacts for circuit breaker 401 #, working in opposite states to switch 401 #, while 247 and 249 normally closed contacts are auxiliary contacts for circuit breaker 402 #, working in opposite states to switch 402 #)

(2)查看雷達站高、低一次系統(tǒng)示意圖,兩路市電、一臺沼氣發(fā)電機組的配置以及沼氣發(fā)電機組自啟動時間均符合規(guī)范的要求,但進一步檢查發(fā)現(xiàn)401# 開關位于ATS下端,當市電電源或沼氣發(fā)電機組電源存在時,401# 開關均閉合,147和149常閉觸電分開,沼氣發(fā)電機組控制器經(jīng)邏輯運算后,認為啟動信號中斷、市電恢復,沼氣發(fā)電機組停止工作;隨后因市電電源和沼氣發(fā)電機組電源均不存在,401# 開關自動斷合,147和149常閉觸電閉合,發(fā)送沼氣發(fā)電機組啟動信號,沼氣發(fā)電機組控制器經(jīng)邏輯運算后,自動啟動沼氣發(fā)電機組工作,如此循環(huán)啟 - 停。

(2) Upon reviewing the schematic diagram of the radar station's high and low primary systems, it was found that the configuration of two mains power sources, one biogas generator unit, and the self start time of the biogas generator unit all met the requirements of the specifications. However, further inspection revealed that the 401 # switch was located at the lower end of the ATS. When the mains power source or biogas generator unit power source was present, the 401 # switch was closed, and the normally closed contacts 147 and 149 were separated. The biogas generator unit controller underwent logical calculations, Believing that the startup signal is interrupted, the mains power is restored, and the biogas generator unit stops working; Subsequently, due to the absence of both the mains power supply and the biogas generator set power supply, the 401 # switch automatically closed, and the normally closed electric shock of 147 and 149 closed, sending a start-up signal for the biogas generator set. After logical calculation, the biogas generator set controller automatically started the biogas generator set to work, thus starting and stopping in a cyclic manner.

感謝您的閱讀,此文的文章來源:工業(yè)尾氣發(fā)電機組更多的內(nèi)容和問題請點擊:http://m.dgtmcnc.com我們會繼續(xù)努力的為您提供服務,感謝您的支持!

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